Signature
/s/ Dana A. DeVivo, Attorney-in-Fact
Stock symbol
PTA
Transactions as of
Feb 14, 2022
Transactions value $
$65,568
Form type
4
Date filed
2/16/2022, 08:26 AM
Next filing
Mar 3, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTA Common Stock Purchase $65.6K +3K $21.86 3K Feb 14, 2022 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the weighted average sale price. The lowest price at which shares were purchased was $21.84 and the highest price at which shares were purchased was $21.87. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the issuer or its stockholders full information regarding the total number of shares purchased at each separate price within the ranges set forth in this footnote.